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Mixed-valent ferrocenyltellurenyl halides. Synthesis, electrochemistry and unusual molecular structure

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Title Mixed-valent ferrocenyltellurenyl halides. Synthesis, electrochemistry and unusual molecular structure
 
Creator TORUBAEV, Y
MATHUR, P
TAUQEER, M
SHAIKH, MM
LAHIRI, GK
PASYNSKII, A
PAVLOVA, A
GRINBERG, V
 
Subject Organotellurium
Ferrocenyl
Tellurenyl
CRYSTAL-STRUCTURE
TETRAFLUOROBORATE
CHEMISTRY
IODIDES
 
Description Halogenation of diferrocenyl ditelluride (Fc(2)Te(2)) allowed corresponding isostructural ferrocenyltellurenyls [FcTeX] (X = Cl (6), Br (7), X = I (8)). Their molecular structures in the solid state confirm them to be mixed-valent FcTe-TeX(2)Fc, however, the single band in Te-125 NMR spectrum of 8 and electrochemical data suggests the monomeric [FcTeX] structure in the solution at room temperature. Remarkable bent of non-halogenated atom of Te towards the Fe atom observed in the solid state structures of 6-8, removes the Te atom from the plane of the related Cp ring (15 degrees-20 degrees) and may indicate the interaction of filled nonbonding 3d orbitals of Fe with the appropriate Te localized LUMO. (C) 2013 Elsevier B. V. All rights reserved.
 
Publisher ELSEVIER SCIENCE SA
 
Date 2014-12-28T15:22:56Z
2014-12-28T15:22:56Z
2014
 
Type Article
 
Identifier JOURNAL OF ORGANOMETALLIC CHEMISTRY, 749115-119
0022-328X
1872-8561
http://dx.doi.org/10.1016/j.jorganchem.2013.09.017
http://dspace.library.iitb.ac.in/jspui/handle/100/16862
 
Language English